Bolano, Tamara published the artcileAn Acyl-NHC Osmium Cooperative System: Coordination of Small Molecules and Heterolytic B-H and O-H Bond Activation, Name: 4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-ol, the publication is Organometallics (2015), 34(15), 3902-3908, database is CAplus.
The hexahydride complex OsH6(PiPr3)2 (1) activates the C-OMe bond of 1-(2-methoxy-2-oxoethyl)-3-methylimidazolium chloride (2), in addition to promoting the direct metalation of the imidazolium group, to afford a five-coordinate OsCl(acyl-NHC)(PiPr3)2 (3) compound The latter coordinates carbon monoxide, oxygen, and mol. hydrogen to give the corresponding carbonyl (4), dioxygen (5), and dihydrogen (6) derivatives Complex 3 also promotes the heterolytic bond activation of pinacolborane (HBpin), using the acyl oxygen atom as a pendant Lewis base. The hydride ligand and the Bpin substituent of the Fischer-type carbene of the resulting complex 7 activate the O-H bond of alcs. and water. As a consequence, complex 3 is a metal ligand cooperating catalyst for the generation of mol. hydrogen, by both the alcoholysis and hydrolysis of pinacolborane, via the intermediates 7 and 6.
Organometallics published new progress about 25240-59-9. 25240-59-9 belongs to alcohols-buliding-blocks, auxiliary class Boronic acid and ester,Boronic Acids,Boronate Esters, name is 4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-ol, and the molecular formula is C6H13BO3, Name: 4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-ol.
Referemce:
https://en.wikipedia.org/wiki/Alcohol,
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